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There are 2 basic types of handlebar mounng; Quill and Threadless.

Quill Stems

This is a handlebar assembly that has a wedge shaped part at the boom of the stem

that is inserted into the fork steer tube. Loosen the center bolt enough so that the wedge

and stem can slide into the fork steer tube. Lower the stem unl the mark that says

“minimum inseron” is not visible. Tighten the stem center bolt so that the handlebar

assembly is in line with the fork. If needed, you can re-check this aer the front wheel

is installed, and re-adjust. (Fig. 3.6)

Threadless Stems

This is a handlebar assembly that has a open ended stem with 1 or more pinch bolts that

goes outside of the fork steer tube. For this system it is important not to disassemble

the headset and lose any parts. Be sure that the end of the fork is on the ground or

being held with your free hand, because once you loosen the top cap, the fork assembly

may fall out of the frame. Loosen the top cap of the fork steer and remove any cardboard

packing, the top cap, and bolt. Set these aside so you can easily retrieve them. While

holding the fork assembly in place, slide the handlebar assembly onto the fork tube.

Replace the top cap and bolt. Tighten the top cap bolt only unl the handlebar assembly

and fork have no free play, but so that the handlebar assembly and fork can sll freely

turn le and right. Then ghten the pinch bolt(s) evenly with the handlebar assembly

facing forward. If needed you can re-check this aer the front wheel in installed, and

re-adjust. (Fig. 3.7)

NOTE: Comfort Series bicycles may be equipped with a stem that has an adjustable angle.

In addion to the normal assembly, these stems will require angling the stem to the

desired posion, and securely ghtening the angle bolt located in front of the stem

bolt. Failure to do this may cause loss of steering control. (Fig. 3.8)

If the stem is not inserted at least the “Minimum Inseron” mark, it is possible

to over-ghten the stem bolt and damage the fork steerer tube. If these

instrucons are not followed, it could cause an unsafe condion and risk

injury to the rider. Check steering ghtness prior to riding by straddling the

front wheel. Try turning the handlebar. If you can turn it without turning

the front wheel, the stem is too loose. Re-align the handlebar with the

front wheel and re-ghten the stem bolt.

ASSEMBLY

3.6

Top cap

Pinch

bolt(s)

3.7

3.8

Schwinn Midi Mesa 24 User Manual

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